Returns the account identity submitted during the authentication process.
<p/>
<p>Most application authentications are username/password based and have this
object represent a username. If this is the case for your application,
take a look at the {@link UsernamePasswordToken UsernamePasswordToken}, as it is probably
sufficient for your use.
<p/>
<p>Ultimately, the object returned is application specific and can represent
any account identity (user id, X.509 certificate, etc).
@return the account identity submitted during the authentication process.
@see UsernamePasswordToken
Returns the account identity submitted during the authentication process. <p/> <p>Most application authentications are username/password based and have this object represent a username. If this is the case for your application, take a look at the {@link UsernamePasswordToken UsernamePasswordToken}, as it is probably sufficient for your use. <p/> <p>Ultimately, the object returned is application specific and can represent any account identity (user id, X.509 certificate, etc).
@return the account identity submitted during the authentication process. @see UsernamePasswordToken